Natural vegetation and Wildlife

What is natural ecosystem? Organism and environment are

closely related with each other. Life develops only in the suitable and favorable environment. All the organisms and the physical environment of a given region together form the natural ecosystem.

Define biosphere reserves. Wildlife in India is very varied.

It is very important to conserve them.Biosphere reserves are those forests where wildlife is protected and kept in their natural environment without imposing any rstriction on their life.

Write the names of the types of vegetation found in India?Tropical Rain ForestsTropical Deciduous ForestsTropical Thorn ForestsMontane ForestsMangrove Forests.

What is a National Park?National Parks are those wild lands

where lands where flora and fauna are conserved in their Natural forms. In these parks every plant and animal species are protected and preserved totally in order to hand over them to the future generations in their vigor and glory.

Describe any three features of thorn forests.Areas with an annual rainfall of less

than 70 cm have open stunted forests and thorny bushes.

Babul, kikar, khair, plums, and Dates are important species of trees.

These forests have long roots and sharp thorns. They help them get moisture from depths. Sharp thorns protect them from animals.

Describe any three features of Tropical Deciduous forests.Tropical deciduous forests forms a

natural cover almost all over India, particularly by between regions of 200 and 75 cm of annual rainfall. Hence they are called the monsoon forests par excellence.

They are economically very important because of timber like sal and teak.

They need care as they are less fire resistant.

What is virgin vegetation ?Virgin vegetation refers to a plant

community which has grown naturally without human aid and has undisturbed by humans for long time.

This type of vegetation is also termed as natural vegetation.

Cultivated crops and fruits; orchard are a part of vegetation but not of natural vegetation.

This presentation is brought to you

by:Nishtha

Class 9th –BRoll no. 14

Thank you